header {
    width: 100%;
    height: 60px;
    background-color: #f8f8f8;
    border-bottom: 1px solid #dddddd;
}

header div {
    position: relative;
    width: 150px;
}

header div img {
    position: absolute;
    width: 100%;
    top: 15px;
    left: 30px;
}

.middle {
    position: relative;
    width: 100%;
    height: 450px;
    background-color: #f7fafd;
}

.middle img {
    position: absolute;
    width: 100%;
    height: 260px;
    top: 50px;
}

.middle span {
    display: block;
    position: relative;
    font-size: 36px;
    color: white;
    top: 90px;
    text-align: center;
}

.login {
    position: relative;
    width: 500px;
    height: 255px;
    top: 120px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid #dedede;
    border-radius: 8px;
    margin: 0 auto;
    padding: 30px;
}

.login img {
    width: 29px;
    height: 31px;
}

.login input {
    position: relative;
    width: 252px;
    height: 34px;
    padding: 6px 12px;
    color: #777777;
    border-radius: 4px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
}

.user input {
    top: 18px;
    margin-left: 29px;
}

.pass img {
    position: relative;
    top: 20px;
}

.pass input {
    top: 22px;
    margin-left: -3px;
}

.code img {
    position: relative;
    top: 20px;
}

.code input {
    position: relative;
    width: 120px;
    top: 22px;
    margin-left: -3px;
}

.code img:nth-child(3) {
    width: 80px;
}

.code a {
    position: relative;
    font-size: 16px;
    width: 80px;
    top: 20px;
    color: grey;
}

.denglu {
    position: absolute;
    width: 120px;
    height: 120px;
    color: #fff;
    font-size: 14px;
    background-color: rgba(53, 119, 176);
    border-radius: 8px;
    left: 325px;
    top: 50px;
}

.login ul {
    width: 100%;
    position: absolute;
    background: rgba(229, 239, 249, 1);
    height: 50px;
    bottom: 0;
    left: 0;
}

.login ul li {
    position: relative;
    font-size: 14px;
    top: 15px;
    display: inline;
    margin: 0 25px;
    color: black;
}

.zhuce {
    z-index: 999;
}

.register {
    display: inline-block;
    text-align: center;
    line-height: 30px;
    position: relative;
    font-size: 12px;
    width: 56px;
    height: 30px;
    top: 15px;
    background-color: white;
    box-shadow: 3px 3px 3px #ccc;
    border-radius: 5px;
    color: #333333;
}

.search {
    display: inline-block;
    text-align: center;
    line-height: 30px;
    position: relative;
    font-size: 12px;
    width: 108px;
    height: 30px;
    top: 15px;
    background-color: white;
    box-shadow: 3px 3px 3px #ccc;
    border-radius: 5px;
    color: #333333;
}

.btn-footer {
    position: fixed;
    width: 100%;
    height: 223px;
    bottom: 0;
    background-color: #2d3e50;
}

.btn1 {
    position: absolute;
    left: 30px;
    top: 20px;
    font-size: 16px;
    color: white;
    font-weight: 700;
}

.btn2-1 {
    position: relative;
    width: 60%;
    top: 20px;
    left: 600px;
    font-size: 16px;
    color: white;
    font-weight: 700;
}

.btn2 {
    position: relative;
    top: 20px;
    left: 600px;
    font-size: 16px;
    color: white;
    font-weight: 700;
}

.btn1-list1 {
    position: absolute;
    color: white;
    font-size: 12px;
    top: 70px;
    left: 45px;
}

.btn1-list1 ul li {
    padding: 0 0 5px 0;
}

.btn1-list2 {
    position: absolute;
    color: white;
    font-size: 12px;
    top: 70px;
    left: 340px;
}

.btn1-list2 ul li {
    padding: 0 0 5px 0;
}

.btn2 a {
    position: relative;
    font-size: 12px;
    font-weight: 400;
    color: white;
    top: 20px;
}

.btn2 div {
    float: left;
    display: inline;
}

.btn2-list1 {
    position: relative;
    /* top: 20px; */
    left: 20px;
}

.btn2-list2 {
    position: relative;
    /* top: 20px; */
    left: 80px;
}

.btn2-list3 {
    position: relative;
    /* top: 20px; */
    left: 130px;
}

.btn2-list4 {
    position: relative;
    /* top: 20px; */
    left: 180px;
}